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poizon [28]
3 years ago
9

1) Find the value of x. Round to the nearest tenth.

Mathematics
1 answer:
sesenic [268]3 years ago
4 0

Answer:

x ≈ 12.9

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan35° = \frac{opposite}{adjacent} = \frac{9}{x} ( multiply both sides by x )

x × tan35° = 9 ( divide both sides by tan35° )

x = \frac{9}{tan35} ≈ 12.9 ( to the nearest tenth )

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What equation represents the proportional relationship displayed in the table?
KATRIN_1 [288]

Answer:

y=6x

Step-by-step explanation:

Given:

The table is given as:

x   0    4       7       8

y   0    24    42     48

The relationship between 'x' and 'y' is a proportional relationship.

A proportional relationship is one in which one variable varies directly with the other by a factor of 'k' also known as constant of proportionality and k\ne 0

A proportional relationship is given as:

y=kx

Now, we plug in 'x' and 'y' values and find the value of 'k'.

Let x=4\ and\ y=24

24=k\times 4\\\\k=\frac{24}{4}=6

Therefore, the constant of proportionality is 6. Hence the complete equation is given as:

y=6x

3 0
3 years ago
Don't have clue how to do this...
Nimfa-mama [501]
I hope this explains it

6 0
2 years ago
Lian needs to solve the quadratic equation: x^2 - 4x - 2 = 0. Which statement about how Lian should solve this equation is true?
Ulleksa [173]

Answer:

x = 4.45 or x = - 4.45

Step-by-step explanation:

Here are the steps:

Substitute the values,

4+\sqrt{-4^2-4(1*-2)} ÷ 2 × 1

x = 2 ± √6

x = 4.45 or x = - 4.45

<em>good luck, i hope this helps :)</em>

5 0
3 years ago
Read 2 more answers
Which shows how to solve the equation 3 over 4 x= -6 for x in one step?
masya89 [10]

Answer:

-8

Step-by-step explanation:

multiply for on both sides then divide by 3

I think its B because

your multiply 4 on both sides

and then you divide by 3

8 0
2 years ago
Read 2 more answers
PLEASE HELP I GIVE THANKS
7nadin3 [17]
The base of the tent is 72 across the whole way and the hypotenuse is 45
so
to find the length of the stick call it x
half 72 to reduce it to the right hand side triangle
45²-36²=x²
x²=729
x=27 inches<span />
5 0
3 years ago
Read 2 more answers
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